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Appendicitis – What are Appendicitis Causes? | Causes For Appendicitis

There is no clear cause of appendicitis. Fecal material is thought to be one possible obstructing object. Bacteria, viruses, fungi, and parasites can be responsible agents of an infection that leads to swelling of the tissues of the appendix wall, including Yersinia species, adenovirus, cytomegalovirus, actinomycosis, Mycobacteria species, Histoplasma species, Schistosoma species, pinworms, and Strongyloides stercoralis. Also, swelling of the tissue from inflammatory bowel diseases such as Crohn’s disease may cause appendicitis. It appears that appendicitis is not hereditary or transmittable from person to person.

Once this obstruction occurs the appendix subsequently becomes filled with mucus and swells, increasing pressures within the lumen and the walls of the appendix, resulting in thrombosis and occlusion of the small vessels, and stasis of lymphatic flow. Rarely, spontaneous recovery can occur at this point. As the former progresses, the appendix becomes ischemic and then necrotic. As bacteria begin to leak out through the dying walls, pus forms within and around the appendix.The prevalence of fecaliths in patients with appendicitis is significantly higher in developed than in developing countries, and an appendiceal fecalith is commonly associated with complicated appendicitis.

Also, fecal stasis and arrest may play a role, as demonstrated by a significantly lower number of bowel movements per week in patients with acute appendicitis compared with healthy controls. The occurrence of a fecalith in the appendix seems to be attributed to a right sided fecal retention reservoir in the colon and a prolonged transit time. From epidemiological data it has been stated that diverticular disease and adenomatous polyps were unknown and colon cancer exceedingly rare in communities exempt for appendicitis.

Stomach infection may have found its way to the appendix. A hard piece of stool may have got trapped in the appendix. The bacteria in the trapped stool may then have infected the appendix.Most commonly, feces blocks the inside of the appendix. Also, bacterial or viral infections in the digestive tract can lead to swelling of lymph nodes, which squeeze the appendix and cause obstruction. This swelling of lymph nodes is known as lymphoid hyperplasia. Traumatic injury to the abdomen may lead to appendicitis in a small number of people.

Genetics may be a factor in others. For example, appendicitis that runs in families may result from a genetic variant that predisposes a person to obstruction of the appendiceal lumen.Once bacteria gets into your appendix, they rapidly multiply, causing the appendix to swell and become filled with pus.If appendicitis is left untreated, your appendix will burst and the bacteria that is released may then go on to infect other parts of your body, such as the lining of your abdomen, or the blood.

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